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[opt](task-assignment) use consistent hash as default task assigner and cache the consistent hash ring (#28522) #28908

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yiguolei merged 1 commit into from
Dec 23, 2023
Merged

[opt](task-assignment) use consistent hash as default task assigner and cache the consistent hash ring (#28522) #28908

yiguolei merged 1 commit into from
Dec 23, 2023

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@morningman
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@morningman morningman commented Dec 22, 2023

bp (#28522)

@morningman
[opt](task-assignment) use consistent hash as default task assigner a…
9ecbd30 
…nd cache the consistent hash ring (apache#28522)

1. Use consistent hash algo as the default assigner for file query scan node
    A consistent assignment can better utilize the page cache of BE node.

2. Cache the consistent hash ring
    Init a consistent hash ring is time-consuming because there a thousands of virtual node need to be added.
    So cache it for better performance
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morningman commented Dec 22, 2023

run buildall

@github-actions github-actions bot added the area/planner Issues or PRs related to the query planner label Dec 22, 2023
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doris-robot commented Dec 22, 2023

(From new machine)TeamCity pipeline, clickbench performance test result:
the sum of best hot time: 49.88 seconds
stream load tsv: 567 seconds loaded 74807831229 Bytes, about 125 MB/s
stream load json: 19 seconds loaded 2358488459 Bytes, about 118 MB/s
stream load orc: 66 seconds loaded 1101869774 Bytes, about 15 MB/s
stream load parquet: 32 seconds loaded 861443392 Bytes, about 25 MB/s
insert into select: 29.8 seconds inserted 10000000 Rows, about 335K ops/s
storage size: 17162906409 Bytes

@yiguolei yiguolei merged commit 5ee89e8 into apache:branch-2.0 Dec 23, 2023
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@morningman @doris-robot @yiguolei